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Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c48
1 files changed, 4 insertions, 44 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 83db12a68d5..1ba6cf5a2c0 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -15,7 +15,6 @@
#include <linux/mman.h>
#include <linux/nodemask.h>
#include <linux/initrd.h>
-#include <linux/sort.h>
#include <linux/highmem.h>
#include <linux/gfp.h>
@@ -86,9 +85,6 @@ void show_mem(void)
printk("Mem-info:\n");
show_free_areas();
for_each_online_node(node) {
- pg_data_t *n = NODE_DATA(node);
- struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
-
for_each_nodebank (i,mi,node) {
struct membank *bank = &mi->bank[i];
unsigned int pfn1, pfn2;
@@ -97,8 +93,8 @@ void show_mem(void)
pfn1 = bank_pfn_start(bank);
pfn2 = bank_pfn_end(bank);
- page = map + pfn1;
- end = map + pfn2;
+ page = pfn_to_page(pfn1);
+ end = pfn_to_page(pfn2 - 1) + 1;
do {
total++;
@@ -227,20 +223,6 @@ static int __init check_initrd(struct meminfo *mi)
return initrd_node;
}
-static inline void map_memory_bank(struct membank *bank)
-{
-#ifdef CONFIG_MMU
- struct map_desc map;
-
- map.pfn = bank_pfn_start(bank);
- map.virtual = __phys_to_virt(bank_phys_start(bank));
- map.length = bank_phys_size(bank);
- map.type = MT_MEMORY;
-
- create_mapping(&map);
-#endif
-}
-
static void __init bootmem_init_node(int node, struct meminfo *mi,
unsigned long start_pfn, unsigned long end_pfn)
{
@@ -250,16 +232,6 @@ static void __init bootmem_init_node(int node, struct meminfo *mi,
int i;
/*
- * Map the memory banks for this node.
- */
- for_each_nodebank(i, mi, node) {
- struct membank *bank = &mi->bank[i];
-
- if (!bank->highmem)
- map_memory_bank(bank);
- }
-
- /*
* Allocate the bootmem bitmap page.
*/
boot_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
@@ -388,21 +360,12 @@ static void arm_memory_present(struct meminfo *mi, int node)
}
#endif
-static int __init meminfo_cmp(const void *_a, const void *_b)
-{
- const struct membank *a = _a, *b = _b;
- long cmp = bank_pfn_start(a) - bank_pfn_start(b);
- return cmp < 0 ? -1 : cmp > 0 ? 1 : 0;
-}
-
void __init bootmem_init(void)
{
struct meminfo *mi = &meminfo;
unsigned long min, max_low, max_high;
int node, initrd_node;
- sort(&mi->bank, mi->nr_banks, sizeof(mi->bank[0]), meminfo_cmp, NULL);
-
/*
* Locate which node contains the ramdisk image, if any.
*/
@@ -603,9 +566,6 @@ void __init mem_init(void)
reserved_pages = free_pages = 0;
for_each_online_node(node) {
- pg_data_t *n = NODE_DATA(node);
- struct page *map = pgdat_page_nr(n, 0) - n->node_start_pfn;
-
for_each_nodebank(i, &meminfo, node) {
struct membank *bank = &meminfo.bank[i];
unsigned int pfn1, pfn2;
@@ -614,8 +574,8 @@ void __init mem_init(void)
pfn1 = bank_pfn_start(bank);
pfn2 = bank_pfn_end(bank);
- page = map + pfn1;
- end = map + pfn2;
+ page = pfn_to_page(pfn1);
+ end = pfn_to_page(pfn2 - 1) + 1;
do {
if (PageReserved(page))